1、线形图必备词汇:上升: v. rise, grow, increase, incline, ascend, surge=rocket up=soar=rise rapidly n. rise, growth, increase, incline, ascent 下降: v. fall, drop, decrease, decline, descend, plunge=fall rapidlyn. fall, drop, decrease, decline, descent 幅度大：adv. significantly, considerably,noticably, markedly, abr
2、uptly, Adj. significant, considerable, noticeable, marked, abrupt 幅度小：adv. minorly, slightly, modestly Adj. minor, slight, modest 慢： adv. slowly, graduallyAdj. slow, gradual 快： adv. rapidly, sharply, drammaticallyAdj. rapid, sharp, drammatic 中等: adv. moderately, Adj. moderate 持平： v. level off, stay
3、constant, stablize, remain unchanged 波动： v fluctuate, go up and down n. fluctuation, 达到顶点: peak at., reach the peak of , reach the summit/climax of ,reach the highest point of, hit a record high达到低谷: bottom at, reach the bottom of, reach the valley of, reach the lowest point of, reach a trough of表达上
4、升下降的句型：基本句型：a. v + adv. The rate of crime increased considerably from 1990 to 2000. b. There is a + adj + n There was a considerable increase in the crime rate from 1990 to 2000.加分句型c. show an upward/ downward trend The crime rate showed an upward trend from 1990 to 2000.d.时间见证 witness/ seeThe last
5、decade in the 20th century witnessed/saw the growth in the rate of crime.At, with, from to , by 表数值：The figure The number The value 表将来：Will Is likely to 表推测： It is expected/speculated/anticipated that+从句.Sth is expected/speculated/anticipated to +动词 表超过：OvertakeOutnumber Exceed 加入数据的方法： 分词形式 The ra
6、te of crime doubled, inclining from 15% in 1990 to 30% in 2000. 介词形式The rate of crime increased considerably, from 15% in 1990 to 35% in 2000. 定语从句The rate of crime doubled, which inclined from 15% in 1990 to 30% in 2000.表大概about : approximately, roughly, around, 少于/ 多于nearly/ less than/below , more than/above/ over表分别是 放后面Respectively, seperately, each e.g. A and B ascended gradually, rising from 2% to 5% and 3% to 6% respectively.
